PIGMENTED PHASE CHANGE INKS WITH DISPERSANT AND SYNERGIST

摘要

PURPOSE: A pigmented phase change ink is provided to obtain excellent pigment dispersion stability by including a pigmented ink system having stability and no viscosity and to be used for an ink-jet printing process. CONSTITUTION: A pigmented phase change ink includes an ink vehicle and one or more pigments. The ink composition is a solid at a room temperature and includes one or more dispersants and synergists. The average particle size of the ink composition increases to 20% of the average particle size of the ink composition when the ink composition is kept at 120°C for 30 days. The phase change ink composition includes an ink vehicle.